Even if an airplane has outlived its useful flying life, its components and metal from the fuselage can almost always find another application. â dustin chambers, The Seattle Times, 747 makes last bittersweet flight for a U.S. commercial airline, 27 Jan. 2018
An unspayed female cat typically reaches sexual maturity at around six months of age, although Oriental breeds such as Siamese cats can have their first heat as early as 5 months, while Persians may be 10 months old before they become sexually mature. Male cats begin producing sperm at an average age of around 9 months.
Once cats reach between 1 and 4 years of age (depending on breed and adult weight) they finish growing and are officially adults. At this point, they have the next 10 years or so to cool their heels and enjoy being in their prime. It's as if all of a human's 20s through 50s pass between your cat's ages 1 to 4.